From patchwork Tue Jul 23 06:41:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 1963571 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=ZP+xdfEg; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=patchwork.ozlabs.org) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4WSnlv1Q8hz1yYm for ; Tue, 23 Jul 2024 16:48:11 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=ZP+xdfEg; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4WSnlv0KsLz3cML for ; Tue, 23 Jul 2024 16:48:11 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=ZP+xdfEg; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=2604:1380:40e1:4800::1; helo=sin.source.kernel.org; envelope-from=rppt@kernel.org; receiver=lists.ozlabs.org) Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4WSnfw2s8sz3cds for ; Tue, 23 Jul 2024 16:43:52 +1000 (AEST) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id E1884CE0C6D; Tue, 23 Jul 2024 06:43:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F270AC4AF0C; Tue, 23 Jul 2024 06:43:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721717030; bh=3tLDf1A3Qqi7b0Tvewht7ITo1ix4u9lyILXU8PE7OyA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZP+xdfEgnVkDeUMe/9VXsuMyklUt1RjwTVlbRJF51rDHm8AJBlbxPqq1nzkVFz4W7 DQMXFtFmYQN96MiC/SBmmfLAjGeocwUNhaDtsc6S4yvh5Ef32iknEAIlMVd1n3WUIV T4U21XrJ8XK4lg2jR+Xv8uvck408+9GsQFsePyi+u+Y0Uh4T+fMQRhznjYhnBS0ZHE VTKRDVzxlzg0b7JkdS8qRT9H7puoLZhxn3baAONxBEeF7u0GYwEqrJruTnwgdGt23B WGe/hqTjwO2N1wid/+SUKEjU07i5MFu6/mAn3TIJwDXglOmvcmn7DHW1fcPh8lh8g7 mxdzTDaZXkAYQ== From: Mike Rapoport To: linux-kernel@vger.kernel.org Subject: [PATCH v2 08/25] arch, mm: move definition of node_data to generic code Date: Tue, 23 Jul 2024 09:41:39 +0300 Message-ID: <20240723064156.4009477-9-rppt@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240723064156.4009477-1-rppt@kernel.org> References: <20240723064156.4009477-1-rppt@kernel.org> MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: nvdimm@lists.linux.dev, x86@kernel.org, Andreas Larsson , Catalin Marinas , Dave Hansen , David Hildenbrand , Jiaxun Yang , linux-mm@kvack.org, sparclinux@vger.kernel.org, Alexander Gordeev , Will Deacon , Thomas Gleixner , linux-arch@vger.kernel.org, Rob Herring , Davidlohr Bueso , Vasily Gorbik , Jonathan Corbet , linux-sh@vger.kernel.org, Huacai Chen , Christophe Leroy , linux-acpi@vger.kernel.org, Ingo Molnar , Zi Yan , devicetree@vger.kernel.org, Arnd Bergmann , linux-s390@vger.kernel.org, Heiko Carstens , Borislav Petkov , linux-cxl@vger.kernel.org, loongarch@lists.linux.dev, John Paul Adrian Glaubitz , Dan Williams , linux-arm-kernel@lists.infradead.org, Thomas Bogendoerfer , Greg Kroah-Hartman , linux-doc@vger.kernel.org, linux-mips@vger.kernel.org, Samuel Holland , linux-riscv@lists.infradead.org, Palmer Dabbelt , Jonathan Cameron , "Rafael J. Wysocki" , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" , Mike Rapoport Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: "Mike Rapoport (Microsoft)" Every architecture that supports NUMA defines node_data in the same way: struct pglist_data *node_data[MAX_NUMNODES]; No reason to keep multiple copies of this definition and its forward declarations, especially when such forward declaration is the only thing in include/asm/mmzone.h for many architectures. Add definition and declaration of node_data to generic code and drop architecture-specific versions. Signed-off-by: Mike Rapoport (Microsoft) Acked-by: David Hildenbrand Reviewed-by: Jonathan Cameron Acked-by: Davidlohr Bueso --- arch/arm64/include/asm/Kbuild | 1 + arch/arm64/include/asm/mmzone.h | 13 ------------- arch/arm64/include/asm/topology.h | 1 + arch/loongarch/include/asm/Kbuild | 1 + arch/loongarch/include/asm/mmzone.h | 16 ---------------- arch/loongarch/include/asm/topology.h | 1 + arch/loongarch/kernel/numa.c | 3 --- arch/mips/include/asm/mach-ip27/mmzone.h | 4 ---- arch/mips/include/asm/mach-loongson64/mmzone.h | 4 ---- arch/mips/loongson64/numa.c | 2 -- arch/mips/sgi-ip27/ip27-memory.c | 3 --- arch/powerpc/include/asm/mmzone.h | 6 ------ arch/powerpc/mm/numa.c | 2 -- arch/riscv/include/asm/Kbuild | 1 + arch/riscv/include/asm/mmzone.h | 13 ------------- arch/riscv/include/asm/topology.h | 4 ++++ arch/s390/include/asm/Kbuild | 1 + arch/s390/include/asm/mmzone.h | 17 ----------------- arch/s390/kernel/numa.c | 3 --- arch/sh/include/asm/mmzone.h | 3 --- arch/sh/mm/numa.c | 3 --- arch/sparc/include/asm/mmzone.h | 4 ---- arch/sparc/mm/init_64.c | 2 -- arch/x86/include/asm/Kbuild | 1 + arch/x86/include/asm/mmzone.h | 6 ------ arch/x86/include/asm/mmzone_32.h | 17 ----------------- arch/x86/include/asm/mmzone_64.h | 18 ------------------ arch/x86/mm/numa.c | 3 --- drivers/base/arch_numa.c | 2 -- include/asm-generic/mmzone.h | 5 +++++ include/linux/numa.h | 3 +++ mm/numa.c | 3 +++ 32 files changed, 22 insertions(+), 144 deletions(-) delete mode 100644 arch/arm64/include/asm/mmzone.h delete mode 100644 arch/loongarch/include/asm/mmzone.h delete mode 100644 arch/riscv/include/asm/mmzone.h delete mode 100644 arch/s390/include/asm/mmzone.h delete mode 100644 arch/x86/include/asm/mmzone.h delete mode 100644 arch/x86/include/asm/mmzone_32.h delete mode 100644 arch/x86/include/asm/mmzone_64.h create mode 100644 include/asm-generic/mmzone.h diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild index 4b6d2d52053e..4aaaa821ab6b 100644 --- a/arch/arm64/include/asm/Kbuild +++ b/arch/arm64/include/asm/Kbuild @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 generic-y += early_ioremap.h generic-y += mcs_spinlock.h +generic-y += mmzone.h generic-y += qrwlock.h generic-y += qspinlock.h generic-y += parport.h diff --git a/arch/arm64/include/asm/mmzone.h b/arch/arm64/include/asm/mmzone.h deleted file mode 100644 index fa17e01d9ab2..000000000000 --- a/arch/arm64/include/asm/mmzone.h +++ /dev/null @@ -1,13 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_MMZONE_H -#define __ASM_MMZONE_H - -#ifdef CONFIG_NUMA - -#include - -extern struct pglist_data *node_data[]; -#define NODE_DATA(nid) (node_data[(nid)]) - -#endif /* CONFIG_NUMA */ -#endif /* __ASM_MMZONE_H */ diff --git a/arch/arm64/include/asm/topology.h b/arch/arm64/include/asm/topology.h index 0f6ef432fb84..5fc3af9f8f29 100644 --- a/arch/arm64/include/asm/topology.h +++ b/arch/arm64/include/asm/topology.h @@ -5,6 +5,7 @@ #include #ifdef CONFIG_NUMA +#include struct pci_bus; int pcibus_to_node(struct pci_bus *bus); diff --git a/arch/loongarch/include/asm/Kbuild b/arch/loongarch/include/asm/Kbuild index c862672ed953..2804f2a2ad61 100644 --- a/arch/loongarch/include/asm/Kbuild +++ b/arch/loongarch/include/asm/Kbuild @@ -15,6 +15,7 @@ generic-y += fcntl.h generic-y += ioctl.h generic-y += ioctls.h generic-y += mman.h +generic-y += mmzone.h generic-y += msgbuf.h generic-y += sembuf.h generic-y += shmbuf.h diff --git a/arch/loongarch/include/asm/mmzone.h b/arch/loongarch/include/asm/mmzone.h deleted file mode 100644 index 2b9a90727e19..000000000000 --- a/arch/loongarch/include/asm/mmzone.h +++ /dev/null @@ -1,16 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Author: Huacai Chen (chenhuacai@loongson.cn) - * Copyright (C) 2020-2022 Loongson Technology Corporation Limited - */ -#ifndef _ASM_MMZONE_H_ -#define _ASM_MMZONE_H_ - -#include -#include - -extern struct pglist_data *node_data[]; - -#define NODE_DATA(nid) (node_data[(nid)]) - -#endif /* _ASM_MMZONE_H_ */ diff --git a/arch/loongarch/include/asm/topology.h b/arch/loongarch/include/asm/topology.h index 66128dec0bf6..50273c9187d0 100644 --- a/arch/loongarch/include/asm/topology.h +++ b/arch/loongarch/include/asm/topology.h @@ -8,6 +8,7 @@ #include #ifdef CONFIG_NUMA +#include extern cpumask_t cpus_on_node[]; diff --git a/arch/loongarch/kernel/numa.c b/arch/loongarch/kernel/numa.c index 8fe21f868f72..acada671e020 100644 --- a/arch/loongarch/kernel/numa.c +++ b/arch/loongarch/kernel/numa.c @@ -27,10 +27,7 @@ #include int numa_off; -struct pglist_data *node_data[MAX_NUMNODES]; unsigned char node_distances[MAX_NUMNODES][MAX_NUMNODES]; - -EXPORT_SYMBOL(node_data); EXPORT_SYMBOL(node_distances); static struct numa_meminfo numa_meminfo; diff --git a/arch/mips/include/asm/mach-ip27/mmzone.h b/arch/mips/include/asm/mach-ip27/mmzone.h index 629c3f290203..56959eb9cb26 100644 --- a/arch/mips/include/asm/mach-ip27/mmzone.h +++ b/arch/mips/include/asm/mach-ip27/mmzone.h @@ -24,8 +24,4 @@ extern struct node_data *__node_data[]; #define hub_data(n) (&__node_data[(n)]->hub) -extern struct pglist_data *node_data[]; - -#define NODE_DATA(nid) (node_data[nid]) - #endif /* _ASM_MACH_MMZONE_H */ diff --git a/arch/mips/include/asm/mach-loongson64/mmzone.h b/arch/mips/include/asm/mach-loongson64/mmzone.h index 2effd5f8ed62..8fb70fd3c9c4 100644 --- a/arch/mips/include/asm/mach-loongson64/mmzone.h +++ b/arch/mips/include/asm/mach-loongson64/mmzone.h @@ -14,10 +14,6 @@ #define pa_to_nid(addr) (((addr) & 0xf00000000000) >> NODE_ADDRSPACE_SHIFT) #define nid_to_addrbase(nid) ((unsigned long)(nid) << NODE_ADDRSPACE_SHIFT) -extern struct pglist_data *node_data[]; - -#define NODE_DATA(n) (node_data[n]) - extern void __init prom_init_numa_memory(void); #endif /* _ASM_MACH_MMZONE_H */ diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c index 64fcfaa885b6..d56238745744 100644 --- a/arch/mips/loongson64/numa.c +++ b/arch/mips/loongson64/numa.c @@ -29,8 +29,6 @@ unsigned char __node_distances[MAX_NUMNODES][MAX_NUMNODES]; EXPORT_SYMBOL(__node_distances); -struct pglist_data *node_data[MAX_NUMNODES]; -EXPORT_SYMBOL(node_data); cpumask_t __node_cpumask[MAX_NUMNODES]; EXPORT_SYMBOL(__node_cpumask); diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c index eb6d2fa41a8a..1963313f55d8 100644 --- a/arch/mips/sgi-ip27/ip27-memory.c +++ b/arch/mips/sgi-ip27/ip27-memory.c @@ -34,9 +34,6 @@ #define SLOT_PFNSHIFT (SLOT_SHIFT - PAGE_SHIFT) #define PFN_NASIDSHFT (NASID_SHFT - PAGE_SHIFT) -struct pglist_data *node_data[MAX_NUMNODES]; -EXPORT_SYMBOL(node_data); - struct node_data *__node_data[MAX_NUMNODES]; EXPORT_SYMBOL(__node_data); diff --git a/arch/powerpc/include/asm/mmzone.h b/arch/powerpc/include/asm/mmzone.h index da827d2d0866..d99863cd6cde 100644 --- a/arch/powerpc/include/asm/mmzone.h +++ b/arch/powerpc/include/asm/mmzone.h @@ -20,12 +20,6 @@ #ifdef CONFIG_NUMA -extern struct pglist_data *node_data[]; -/* - * Return a pointer to the node data for node n. - */ -#define NODE_DATA(nid) (node_data[nid]) - /* * Following are specific to this numa platform. */ diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index a490724e84ad..8c18973cd71e 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -43,11 +43,9 @@ static char *cmdline __initdata; int numa_cpu_lookup_table[NR_CPUS]; cpumask_var_t node_to_cpumask_map[MAX_NUMNODES]; -struct pglist_data *node_data[MAX_NUMNODES]; EXPORT_SYMBOL(numa_cpu_lookup_table); EXPORT_SYMBOL(node_to_cpumask_map); -EXPORT_SYMBOL(node_data); static int primary_domain_index; static int n_mem_addr_cells, n_mem_size_cells; diff --git a/arch/riscv/include/asm/Kbuild b/arch/riscv/include/asm/Kbuild index 504f8b7e72d4..e44f168f60fc 100644 --- a/arch/riscv/include/asm/Kbuild +++ b/arch/riscv/include/asm/Kbuild @@ -2,6 +2,7 @@ generic-y += early_ioremap.h generic-y += flat.h generic-y += kvm_para.h +generic-y += mmzone.h generic-y += parport.h generic-y += spinlock.h generic-y += spinlock_types.h diff --git a/arch/riscv/include/asm/mmzone.h b/arch/riscv/include/asm/mmzone.h deleted file mode 100644 index fa17e01d9ab2..000000000000 --- a/arch/riscv/include/asm/mmzone.h +++ /dev/null @@ -1,13 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_MMZONE_H -#define __ASM_MMZONE_H - -#ifdef CONFIG_NUMA - -#include - -extern struct pglist_data *node_data[]; -#define NODE_DATA(nid) (node_data[(nid)]) - -#endif /* CONFIG_NUMA */ -#endif /* __ASM_MMZONE_H */ diff --git a/arch/riscv/include/asm/topology.h b/arch/riscv/include/asm/topology.h index 61183688bdd5..fe1a8bf6902d 100644 --- a/arch/riscv/include/asm/topology.h +++ b/arch/riscv/include/asm/topology.h @@ -4,6 +4,10 @@ #include +#ifdef CONFIG_NUMA +#include +#endif + /* Replace task scheduler's default frequency-invariant accounting */ #define arch_scale_freq_tick topology_scale_freq_tick #define arch_set_freq_scale topology_set_freq_scale diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild index 4b904110d27c..297bf7157968 100644 --- a/arch/s390/include/asm/Kbuild +++ b/arch/s390/include/asm/Kbuild @@ -7,3 +7,4 @@ generated-y += unistd_nr.h generic-y += asm-offsets.h generic-y += kvm_types.h generic-y += mcs_spinlock.h +generic-y += mmzone.h diff --git a/arch/s390/include/asm/mmzone.h b/arch/s390/include/asm/mmzone.h deleted file mode 100644 index 73e3e7c6976c..000000000000 --- a/arch/s390/include/asm/mmzone.h +++ /dev/null @@ -1,17 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * NUMA support for s390 - * - * Copyright IBM Corp. 2015 - */ - -#ifndef _ASM_S390_MMZONE_H -#define _ASM_S390_MMZONE_H - -#ifdef CONFIG_NUMA - -extern struct pglist_data *node_data[]; -#define NODE_DATA(nid) (node_data[nid]) - -#endif /* CONFIG_NUMA */ -#endif /* _ASM_S390_MMZONE_H */ diff --git a/arch/s390/kernel/numa.c b/arch/s390/kernel/numa.c index 23ab9f02f278..ddc1448ea2e1 100644 --- a/arch/s390/kernel/numa.c +++ b/arch/s390/kernel/numa.c @@ -14,9 +14,6 @@ #include #include -struct pglist_data *node_data[MAX_NUMNODES]; -EXPORT_SYMBOL(node_data); - void __init numa_setup(void) { int nid; diff --git a/arch/sh/include/asm/mmzone.h b/arch/sh/include/asm/mmzone.h index 7b8dead2723d..63f88b465e39 100644 --- a/arch/sh/include/asm/mmzone.h +++ b/arch/sh/include/asm/mmzone.h @@ -5,9 +5,6 @@ #ifdef CONFIG_NUMA #include -extern struct pglist_data *node_data[]; -#define NODE_DATA(nid) (node_data[nid]) - static inline int pfn_to_nid(unsigned long pfn) { int nid; diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c index 50f0dc1744d0..9bc212b5e762 100644 --- a/arch/sh/mm/numa.c +++ b/arch/sh/mm/numa.c @@ -14,9 +14,6 @@ #include #include -struct pglist_data *node_data[MAX_NUMNODES] __read_mostly; -EXPORT_SYMBOL_GPL(node_data); - /* * On SH machines the conventional approach is to stash system RAM * in node 0, and other memory blocks in to node 1 and up, ordered by diff --git a/arch/sparc/include/asm/mmzone.h b/arch/sparc/include/asm/mmzone.h index a236d8aa893a..74eb2c71d077 100644 --- a/arch/sparc/include/asm/mmzone.h +++ b/arch/sparc/include/asm/mmzone.h @@ -6,10 +6,6 @@ #include -extern struct pglist_data *node_data[]; - -#define NODE_DATA(nid) (node_data[nid]) - extern int numa_cpu_lookup_table[]; extern cpumask_t numa_cpumask_lookup_table[]; diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 00b247d924a9..3cb698204609 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -1115,11 +1115,9 @@ static void init_node_masks_nonnuma(void) } #ifdef CONFIG_NUMA -struct pglist_data *node_data[MAX_NUMNODES]; EXPORT_SYMBOL(numa_cpu_lookup_table); EXPORT_SYMBOL(numa_cpumask_lookup_table); -EXPORT_SYMBOL(node_data); static int scan_pio_for_cfg_handle(struct mdesc_handle *md, u64 pio, u32 cfg_handle) diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild index a192bdea69e2..6c23d1661b17 100644 --- a/arch/x86/include/asm/Kbuild +++ b/arch/x86/include/asm/Kbuild @@ -11,3 +11,4 @@ generated-y += xen-hypercalls.h generic-y += early_ioremap.h generic-y += mcs_spinlock.h +generic-y += mmzone.h diff --git a/arch/x86/include/asm/mmzone.h b/arch/x86/include/asm/mmzone.h deleted file mode 100644 index c41b41edd691..000000000000 --- a/arch/x86/include/asm/mmzone.h +++ /dev/null @@ -1,6 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifdef CONFIG_X86_32 -# include -#else -# include -#endif diff --git a/arch/x86/include/asm/mmzone_32.h b/arch/x86/include/asm/mmzone_32.h deleted file mode 100644 index 2d4515e8b7df..000000000000 --- a/arch/x86/include/asm/mmzone_32.h +++ /dev/null @@ -1,17 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Written by Pat Gaughen (gone@us.ibm.com) Mar 2002 - * - */ - -#ifndef _ASM_X86_MMZONE_32_H -#define _ASM_X86_MMZONE_32_H - -#include - -#ifdef CONFIG_NUMA -extern struct pglist_data *node_data[]; -#define NODE_DATA(nid) (node_data[nid]) -#endif /* CONFIG_NUMA */ - -#endif /* _ASM_X86_MMZONE_32_H */ diff --git a/arch/x86/include/asm/mmzone_64.h b/arch/x86/include/asm/mmzone_64.h deleted file mode 100644 index 0c585046f744..000000000000 --- a/arch/x86/include/asm/mmzone_64.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* K8 NUMA support */ -/* Copyright 2002,2003 by Andi Kleen, SuSE Labs */ -/* 2.5 Version loosely based on the NUMAQ Code by Pat Gaughen. */ -#ifndef _ASM_X86_MMZONE_64_H -#define _ASM_X86_MMZONE_64_H - -#ifdef CONFIG_NUMA - -#include -#include - -extern struct pglist_data *node_data[]; - -#define NODE_DATA(nid) (node_data[nid]) - -#endif -#endif /* _ASM_X86_MMZONE_64_H */ diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index 6ce10e3c6228..7de725d6bb05 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -24,9 +24,6 @@ int numa_off; nodemask_t numa_nodes_parsed __initdata; -struct pglist_data *node_data[MAX_NUMNODES] __read_mostly; -EXPORT_SYMBOL(node_data); - static struct numa_meminfo numa_meminfo __initdata_or_meminfo; static struct numa_meminfo numa_reserved_meminfo __initdata_or_meminfo; diff --git a/drivers/base/arch_numa.c b/drivers/base/arch_numa.c index 5b59d133b6af..9b71ad2869f1 100644 --- a/drivers/base/arch_numa.c +++ b/drivers/base/arch_numa.c @@ -15,8 +15,6 @@ #include -struct pglist_data *node_data[MAX_NUMNODES] __read_mostly; -EXPORT_SYMBOL(node_data); nodemask_t numa_nodes_parsed __initdata; static int cpu_to_node_map[NR_CPUS] = { [0 ... NR_CPUS-1] = NUMA_NO_NODE }; diff --git a/include/asm-generic/mmzone.h b/include/asm-generic/mmzone.h new file mode 100644 index 000000000000..2ab5193e8394 --- /dev/null +++ b/include/asm-generic/mmzone.h @@ -0,0 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_GENERIC_MMZONE_H +#define _ASM_GENERIC_MMZONE_H + +#endif diff --git a/include/linux/numa.h b/include/linux/numa.h index eb19503604fe..e5841d4057ab 100644 --- a/include/linux/numa.h +++ b/include/linux/numa.h @@ -30,6 +30,9 @@ static inline bool numa_valid_node(int nid) #ifdef CONFIG_NUMA #include +extern struct pglist_data *node_data[]; +#define NODE_DATA(nid) (node_data[nid]) + /* Generic implementation available */ int numa_nearest_node(int node, unsigned int state); diff --git a/mm/numa.c b/mm/numa.c index 67ca6b8585c0..8c157d41c026 100644 --- a/mm/numa.c +++ b/mm/numa.c @@ -3,6 +3,9 @@ #include #include +struct pglist_data *node_data[MAX_NUMNODES]; +EXPORT_SYMBOL(node_data); + /* Stub functions: */ #ifndef memory_add_physaddr_to_nid